* {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
    color: #333333;
}

ul, ol {
    list-style: none;
}

.left {
    float: left;
}

.right {
    float: right;
}

.text-big {
    font-weight: bold;
    font-size: 20px;
}

.text-small {
    font-size: 12px;
}

.text-grey {
    color: #b1b1b1;
}

body {
    background: #f5f5f5;
}

/*导航栏开始*/
header {
    background-color: #ffffff;
    height: 110px;
}

nav .banner {
    margin-left: 180px;
    margin-top: 10px;
    display: inline-block;
    float: left;
}

nav ul {
    margin-top: 20px;
    margin-left: 175px;
}

nav ul li {
    float: left;
    margin-right: 100px;
}

nav ul li a:hover {
    color: #ffa735;
}

nav .button-group {
    margin-top: 15px;
    height: 32px;
    border: 1px solid #e5e5e5;
}

nav .button-group input, button {
    height: 32px;
    border: none;
}

nav .button-group input {
    border-right: 1px solid #e5e5e5;
}

/*导航栏结束*/

/*商家分类开始*/
.main-content {
    width: 990px;
    margin: 15px auto 0;
}

.shop-category {
    height: 80px;
    background-color: #ffffff;
}

.shop-category span, .shop-category ul li {
    margin-top: 30px;
}

.shop-category span {
    margin-left: 10px;
}

.shop-category ul {
    margin-left: 95px;
}

.shop-category ul li {
    float: left;
    margin-right: 20px;
}

.shop-category ul li a:hover {
    color: #ffa735;
}

/*商家分类结束*/

/*商品列表开始*/
.main-content .item-list {
    overflow: hidden;
    margin-top: 15px;
    background-color: #fff;
}

.item-list .item {
    float: left;
    padding-top: 10px;
    margin-left: 62px;
}

/*商品列表结束*/